Kiniksa (NASDAQ: KNSA) CSO exercises RSUs; 846 shares withheld for tax
Rhea-AI Filing Summary
Kiniksa Pharmaceuticals International, plc chief strategy officer Eben Tessari exercised Restricted Share Units into common shares and had shares withheld for taxes. On April 7, 2026, 2,726 RSUs were converted into 2,726 Class A Ordinary Shares. Of these, 846 shares at $48.94 per share were withheld to satisfy tax obligations, leaving Tessari with 23,130 Class A Ordinary Shares held directly. Each RSU represents a right to receive one Class A Ordinary Share and the RSU grant vests in four equal annual installments starting on April 7, 2023, over a four-year period.
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Insider Trade Summary
Net Buyer: 1,880 shares
Net Buy
3 txns
Insider
Tessari Eben
Role
CHIEF STRATEGY OFFICER
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Restricted Share Unit | 2,726 | $0.00 | $0.00 |
| Exercise | Class A Ordinary Share | 2,726 | $0.00 | $0.00 |
| Exercise Price or Tax Liability | Class A Ordinary Share | 846 | $48.94 | $41K |
Holdings After Transaction:
Restricted Share Unit — 0 shares (Direct);
Class A Ordinary Share — 23,130 shares (Direct)
Footnotes (2)
- F1. Each Restricted Share Unit (RSU) represents a contingent right to receive one Class A Ordinary Share of the Issuer.
- F2. The RSUs vest over a four-year period, with 25% of the RSUs vesting on each yearly anniversary of the date of grant, April 7, 2022.
Key Figures
RSUs exercised: 2,726 units
Shares withheld for taxes: 846 shares
Post-transaction holdings: 23,130 shares
+2 more
5 metrics
RSUs exercised
2,726 units
Restricted Share Units converted to Class A Ordinary Shares on April 7, 2026
Shares withheld for taxes
846 shares
Class A Ordinary Shares withheld at $48.94 per share for tax obligations
Post-transaction holdings
23,130 shares
Class A Ordinary Shares directly owned by Eben Tessari after transactions
Tax withholding price
$48.94 per share
Value applied to 846 withheld shares for tax liability
RSU vesting schedule
25% annually over 4 years
From April 7, 2022 grant date, yearly anniversaries
Key Terms
Restricted Share Unit, Class A Ordinary Share, tax-withholding disposition, Exercise or conversion of derivative security, +1 more
5 terms
tax-withholding disposition financial
"transaction_action": "tax-withholding disposition"
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.
Exercise or conversion of derivative security financial
"transaction_code_description": "Exercise or conversion of derivative security"
vest over a four-year period financial
"The RSUs vest over a four-year period, with 25% of the RSUs vesting"
AI-generated analysis. How Rhea-AI works. Not financial advice.
FAQ
What insider transaction did Kiniksa (KNSA) report for Eben Tessari?
Kiniksa reported that chief strategy officer Eben Tessari exercised 2,726 Restricted Share Units into 2,726 Class A Ordinary Shares. In the same transaction, 846 of those shares were withheld to cover tax obligations, resulting in 23,130 Class A Ordinary Shares owned directly afterward.
What is the size of the RSU exercise reported for Kiniksa (KNSA)?
The filing shows the exercise of 2,726 Restricted Share Units, each converting into one Class A Ordinary Share. This RSU vesting and conversion increased Tessari’s share count before tax withholding, and represents one vesting tranche from a larger multi-year equity grant awarded earlier.
How were taxes handled in Eben Tessari’s Kiniksa (KNSA) RSU vesting?
Taxes were satisfied through a share withholding arrangement, not a market sale. Specifically, 846 Class A Ordinary Shares valued at $48.94 per share were disposed of as a tax-withholding transaction, reducing the net shares Tessari retained from the RSU conversion on that vesting date.
How do Tessari’s Kiniksa (KNSA) RSUs vest over time?
The Restricted Share Units vest over four years, with 25% of the RSUs vesting on each yearly anniversary of the April 7, 2022 grant date. Each vested RSU delivers one Class A Ordinary Share, subject to applicable tax withholding at the time the units convert into shares.